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Functional flexible adsorbents and their potential utility.
Chem Commun (Camb)
January 2025
Bernal Institute, Department of Chemical Sciences, University of Limerick, Limerick V94T9PX, Republic of Ireland.
Physisorbents are poised to address global challenges such as CO capture, mitigation of water scarcity and energy-efficient commodity gas storage and separation. Rigid physisorbents, those adsorbents that retain their structures upon gas or vapour exposure, are well studied in this context. Conversely, cooperatively flexible physisorbents undergo long-range structural transformations stimulated by guest exposure.
View Article and Find Full Text PDFPreparation and characterization of edible films from gelatin and hydroxypropyl methyl cellulose/sodium carboxymethyl cellulose.
Heliyon
January 2025
Institute of Agro-products Processing, Anhui Academy of Agricultural Sciences, Hefei, Anhui, 230041, China.
This study investigates the enhancement of gelatin (GEL) films using hydroxypropyl methylcellulose (HPMC) and carboxymethyl cellulose (CMC) for edible film packaging applications. Although GEL is biocompatible and cost-effective, its limited mechanical strength presents significant challenges for practical applications. The findings indicate that CMC effectively increases tensile strength (TS), while HPMC improves elongation at break (EAB) and hydrophilicity.
View Article and Find Full Text PDFDynamic surface behavouir and aqueous foam properties of graphene- polystyrene sulfonate / Cetyl trimethylammonium bromide mixtures.
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January 2025
Department of Chemical Engineering, Quchan Branch, Islamic Azad University, Quchan, Iran.
An interface can be delicately designed using interactions between nanoparticles and surfactants by controlling surface properties such as activity and charge equilibrium. This study seeks to provide insights into how surfactant concentration impacts the stability and dynamics of nanoparticle-surfactant interfaces, with potential applications in material science and interface engineering. This study investigates the interactions between Graphene Function (Gr, Graphene function in this text refers to functionalizing the graphene sheets with -COOH groups via acidic reactions.
View Article and Find Full Text PDFPreparation of APP@CNCSi-DA and its application in intumescent flame retardant polypropylene.
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January 2025
Jiangxi Guangyuan Chemical Co. Ltd., Ji'an, Jiangxi, 331500, China.
A Silicon-containing Oligomeric Charring Agent (CNCSi-DA) containing triazine rings and silicon was designed, synthesized and characterized. CNCSi-DA was chosen as macromolecular coating agent to modify Ammonium Polyphosphate (APP) to be core-shell coating-mixture (APP@CNCSi-DA). The synergistic effects of APP@CNCSi-DA on hydrophobicity, mechanical and flame retardant properties, and mechanism of flame-retardant polypropylene (PP) were studied.
View Article and Find Full Text PDFThe liquid-vapor water generation characteristics of thermo-responsive polymer based on the multi-scale method.
iScience
January 2025
School of Mechanical Engineering, Tongji University, Shanghai 201804, China.
Thermo-responsive polymer is becoming a potential water purification and water harvesting material. To clarify the water diffusion characteristics, the desorption ratio of liquid water and water vapor for a poly (N-isopropylacrylamide) was researched by the multi-scale method. Firstly, macro and micro structures for the hydrogel with different water content were characterized.
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